13963880

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{49871}}^1$

素因数の和:49889

約数の個数: 32

約数和(自身を含む): 35907840

約数和(自身を除く): 21943960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 49871, 99742, 199484, 249355, 349097, 398968, 498710, 698194, 997420, 1396388, 1745485, 1994840, 2792776, 3490970, 6981940, 13963880]

約数ペア:

[(1, 13963880), (2, 6981940), (4, 3490970), (5, 2792776), (7, 1994840), (8, 1745485), (10, 1396388), (14, 997420), (20, 698194), (28, 498710), (35, 398968), (40, 349097), (56, 249355), (70, 199484), (140, 99742), (280, 49871)]